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Medical inserting apparatus

a technology of inserting apparatus and screw, which is applied in the field of medical science, surgery, diagnostics, etc., can solve the problems of difficult to correctly identify the type of tissue, difficult to identify the resistance value of the tissue, and many problems, so as to prevent the screw nail from damaging the nerv

Active Publication Date: 2021-09-07
KYUNGPOOK NAT UNIV IND ACADEMIC COOP FOUND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009]According to the present disclosure, there is provided a medical inserting apparatus that correctly identifies the type of tissue surrounding the screw nail by increasing the resistance value of the conductor element serving as the path the current flows back to allow a predetermined current to flow to the tissue, thereby preventing the screw nail from damaging the nerve when inserting the screw nail.

Problems solved by technology

After the decompression is performed, each segment becomes unstable, and if left alone, many problems occur in the long-term.
Consequently, it is impossible to identify the resistance value of the tissue through which the current passed, which makes it difficult to correctly identify the type of tissue.

Method used

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  • Medical inserting apparatus
  • Medical inserting apparatus
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Examples

Experimental program
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Effect test

Embodiment Construction

[0016]10, 100: Screw nail[0017]20, 120, 210: Driver[0018]30: Forward conductor element[0019]40: Reverse conductor element[0020]50, 150, 240: Conductor element[0021]60, 160, 250: Current generator[0022]70, 170, 260: Current meter[0023]80, 180, 270: Variable resistor[0024]100, 200, 300: Medical inserting apparatus[0025]130, 220: First conductor element[0026]135, 225: Third conductor element[0027]140: Second conductor element[0028]145: Fourth conductor element[0029]230: Fifth conductor element[0030]235: Sixth conductor element[0031]280: External current generation device[0032]400: Ground element[0033]450: Return element

BEST MODE

[0034]These advantages and features of the present disclosure and methods for achieving them will be apparent by referring to the embodiments described in detail below together with the accompanying drawings. However, the present disclosure is not limited to the following disclosed embodiments and will be embodied in many different forms, and these embodiments a...

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PUM

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Abstract

A medical inserting apparatus includes a screw nail which is inserted into a human body, a driver which inserts the screw nail into the human body, a current generator disposed in the driver to generate a predetermined current, a current meter disposed in the driver to measure the current, and a conductor element disposed in the screw nail and the driver along a lengthwise direction including an exposed portion to outside, wherein the conductor element includes a forward conductor element connected to the current generator to allow the current generated by the current generator to flow into the human body, and a reverse conductor element having one end electrically connected to the forward conductor element and the other end connected to the current generator, and including a variable resistor and the current meter installed to allow the current generated by the current generator to flow to the current meter by current division with resistance of the human body.

Description

TECHNICAL FIELD[0001]The present disclosure relates to a medical inserting apparatus, and particularly, to a medical inserting apparatus for correctly identifying the type of tissue surrounding a screw nail inserted into human body to prevent any damage to the nerve by screw nail insertion.BACKGROUND ART[0002]Medical inserting apparatuses may be inserted into a human body for operations or treatments. For example, medical inserting apparatuses may include pedicle screw nails that are inserted into the spine or implants that replace teeth, etc. Specifically, patients with severe spinal stenosis first, have a surgery for widening the small spinal canal. It is to relieve the pressure on the nerve compressed for a long time by removing the surrounding bone or joint to widen the space. This is called nerve decompression. After the decompression is performed, each segment becomes unstable, and if left alone, many problems occur in the long-term. Therefore, it is necessary to stabilize the...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): A61B17/70A61B17/00A61C8/00
CPCA61B17/7082A61B2017/00026A61C8/0089A61B17/70A61B17/86A61B17/8875A61B5/0538A61B5/4893A61B2505/05A61B5/24
Inventor KIM, KYOUNGTAE
Owner KYUNGPOOK NAT UNIV IND ACADEMIC COOP FOUND